Question

Choose the correct answer from the alternatives given.
Directions for question 71 to 75: Study the following table carefully and answer the questions given below.
Number of Students Enrolled
With Five Colleges over the Years

Year/College	A	B	C	D	E
2004	450	320	400	480	520
2005	480	350	380	500	540
2006	420	300	410	520	460
2007	460	360	430	470	480
2008	470	340	390	530	530

What is the ratio between the average number of students enrolled with all colleges together in 2007 and 2008, respectively?

• A. 108 : 113
• B. 108 : 117
• C. 110 : 113
• D. 111 : 113

Answer 1

The correct option is C 110 : 113

$totalnumberofstudentsin2007=460+360+430+470+480=2200$
$totalnumberofstudentsin2008=470+340+390+530+530=2260$
$requiredratio=\frac{2200}{2260}=\frac{110}{113}$